Senior Ruby on Rails Engineer — Large-Scale Web Apps

Machine Learning Technologies, LLC; Austin (TX); On-site; USD 83,000 - 124,000; Full time

Job summary

Machine Learning Technologies, LLC in Austin, TX is seeking a Senior Ruby on Rails Engineer with 6+ years of software engineering experience to design, build, test, and scale large web applications.

You will work across frontend GUI and backend services, design, develop, and maintain APIs, ensure data quality and performance, and collaborate with business teams and external vendors.

Knowledge of GenAI integration and familiarity with RSpec, MiniTest, CircleCI, Jenkins, and AWS are preferred.

Qualifications

• 6+ years of experience in Senior Software Engineering.
• Strong hands-on experience with Ruby and Ruby on Rails.
• Experience designing, developing, testing, and deploying large-scale web apps.
• Frontend GUI and backend application development responsibilities.
• APIs and system interfaces design, development, and maintenance.
• Hands-on experience with REST, RPC, JSON, ProtoBuf, XML.
• Database design and querying with PostgreSQL and MySQL.
• Troubleshooting performance, latency, capacity, and issues.
• Ensure data quality, integrity, and consistency.
• Collaborate with business teams, tech teams, and vendors.
• Maintain technical documentation for applications.
• Knowledge of integrating GenAI into software workflows.
• Preference for RSpec, MiniTest, CircleCI, Jenkins, AWS.

Responsibilities

• Design, develop, test, and implement large-scale web applications.
• Work on both frontend GUI and backend application development.
• Design, develop, and maintain APIs and system interfaces.
• Hands-on experience with REST, RPC, JSON, ProtoBuf, and XML.
• Strong database design and query experience with PostgreSQL and MySQL.
• Troubleshoot application performance, response time, capacity, and system issues.
• Ensure application data quality, integrity, and consistency.
• Collaborate with business teams, technology teams, and external vendors.
• Maintain technical documentation for developed applications.

Skills

Ruby

Ruby on Rails

API design

REST

RPC

JSON

ProtoBuf

XML

PostgreSQL

MySQL

AWS

CircleCI

Jenkins

DevOps

GenAI integration

Go

Java

C++

Rust

Erlang

Tools

RSpec

MiniTest

CircleCI

Jenkins

Job description

Machine Learning Technologies, LLC in Austin, TX is seeking a Senior Ruby on Rails Engineer with 6+ years of software engineering experience to design, build, test, and scale large web applications.

You will work across frontend GUI and backend services, design, develop, and maintain APIs, ensure data quality and performance, and collaborate with business teams and external vendors.

Knowledge of GenAI integration and familiarity with RSpec, MiniTest, CircleCI, Jenkins, and AWS are preferred.